Definition of "mind-expanding" [mind-expanding]

• Producing intensified or distorted perceptions; psychedelic. (adjective)
• Producing an increased perceptive awareness: a mind-expanding documentary on homelessness. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The waist-expanding honey addiction, and the mind-expanding opium addiction."
• "But the article suggests that the most worthwhile expenditure is on education, and books at all levels, whether text books or guides or even mind-expanding fiction, are an education waiting to happen."
• "By the early-60s, following a meeting with the author Ken Kesey, Cassady had become the amphetamine-fuelled driver for Kesey's Merry Pranksters, a troupe of Californian hippies who piled into a brightly painted bus and set out to introduce the mind-expanding properties of LSD to the stuffy straights of middle America."